Trial reportJournal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing2016
The importance of catheter stability evaluated by Visitag(TM) during pulmonary vein isolation.
Trial report in Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Characterizing lesion morphology of a novel diamond-tip temperature-controlled irrigated radiofrequency ablation catheter.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2024Article
- Comparison of the efficacy between impedance-guided and contact force-guided atrial fibrillation ablation using an automated annotation system.Journal of arrhythmia · 2018Article
- A Pilot Study on Parameter Setting of VisiTag™ Module during Pulmonary Vein Isolation.Cardiology research and practice · 2018Article
- General anesthesia improves contact force and reduces gap formation in pulmonary vein isolation: a comparison with conscious sedation.Heart and vessels · 2017Article
- Clinical utility of automated ablation lesion tagging based on catheter stability information (VisiTag Module of the CARTO 3 System) with contact force-time integral during pulmonary vein isolation for atrial fibrillation.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2016Article
- Pharmacological Tests in Atrial Fibrillation Ablation.Arrhythmia & electrophysiology review · 2016Article
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe recurrence rates of atrial fibrillation (Af) after ablation are still high, and repeat procedures are required in these patients. The main reason for Af recurrence is the recovery of the conduction between the pulmonary veins and left atrium. The importance of catheter stability during the pulmonary vein isolation (PVI) is not well studied. PURPOSE: The purpose of this study was to evaluate the contact force (CF), stable ablation time, and power during conduction blocking lesion formation for PVI.
methodsThirty-two consecutive drug-refractory Af patients who underwent an initial PVI using CARTO 3 and Visitag were included. The CF, ablation time, force time integral (FTI), and ablation power were recorded by Visitag. Residual conduction gap points requiring touch-up ablation after an encircling linear ablation (R point), spontaneous reconnection points (S point), and dormant conduction points (D point) were considered as non-conduction blocking lesion points. Each ablation parameter for the non-conduction blocking lesion points was compared with the other lesion points.
resultsTwenty-one points in 16 patients were considered non-conduction blocking lesions. Ten were R, eight were S, and three were D points. The CF, ablation time, FTI, and power at the non-conduction blocking lesion points and other points were 12.0 g (7.0-21.5) and 12.0 g (9.0-16.0) (P = 0.9), 7.7 s (5.6-10.1) and 12.5 s (9.4-16.8) (P < 0.05), 103.0 g*s (62.0-174.5) and 149.0 g*s (104.0-213.0) (P < 0.05), and 30.0 W (22.5-30.0) and 30.0 W (30.0-30.0) (P = 0.06), respectively.
conclusionsShorter ablation time recorded in Visitag lead to non-conduction blocking lesion.
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Registered trials
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